code: def generate_input_broadcast(self, xp):
      x = testing.shaped_random(
          (3, 1, 4), xp, "int64", scale=10, seed=0
      )
      y = testing.shaped_random(
          (3, 5, 4), xp, "int64", scale=10, seed=1
      )
      return (x, y), {}
  
imports: import unittest
  from unittest import mock
  import cupy
  from cupy import testing
  from cupy_tests.core_tests.fusion_tests import fusion_utils
label_desc: Use image node_id 2 for calling the TestOptimizations obj's underlying member method code with example usage: obj.generate_input_broadcast(xp) and returns: x,  y,  dict